package com.heima.behavior.service.iml;

import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApLikesBehaviorService;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.LikesBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApLikesBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.data.mongodb.core.query.Update;
import org.springframework.stereotype.Service;

import java.util.Date;

@Service
public class ApLikesBehaviorServiceImpl implements ApLikesBehaviorService {

    @Autowired
    MongoTemplate mongoTemplate;


    @Autowired
    ApBehaviorEntryServiceImpl apBehaviorEntryService;
    @Override
    public ResponseResult likeOrHateBehavive(LikesBehaviorDTO dto) {
        // 1. 校验参数  , 校验文章id不能为空 ,校验点赞方式 只能是0 或 1
        ApUser user = AppThreadLocalUtils.getUser();
        if (user == null){
            CustException.cust(AppHttpCodeEnum.NEED_LOGIN,"用户未登录");
        }
        if (dto ==null){
             CustException.cust(AppHttpCodeEnum.PARAM_REQUIRE,"参数为空");
         }
        // 2. 根据当前登录用户id查询行为实体对象
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user.getId(), dto.getEquipmentId());
        if (apBehaviorEntry == null){
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST,"没有对应行为实体");
        }
        // 3. 如果是点赞操作  判断是否已经点过赞
           //3.1获取文章id
        Query query = Query.query(Criteria.where("entryId").is(apBehaviorEntry.getId()).and("articleId").is(dto.getArticleId()));
        ApLikesBehavior one = mongoTemplate.findOne(query, ApLikesBehavior.class);
        if (one !=null &&  dto.getOperation().intValue()==0){
          CustException.cust(AppHttpCodeEnum.DATA_NOT_ALLOW,"请勿重复点赞");
        }
        // 4. 没有点过赞则 像mongo点赞集合中 添加点赞数据
        if (dto.getOperation().intValue()==0){
            ApLikesBehavior apLikesBehavior = new ApLikesBehavior();
            apLikesBehavior.setEntryId(apBehaviorEntry.getId());
            apLikesBehavior.setArticleId(dto.getArticleId());
            apLikesBehavior.setType((short) 0);
            apLikesBehavior.setOperation((short) 0);
            apLikesBehavior.setCreatedTime(new Date());
            mongoTemplate.save(apLikesBehavior);
        }else {
            // 5. 如果是取消点赞操作  在mongo点赞集合中 删除对应点赞数据
            mongoTemplate.remove(query,ApLikesBehavior.class);
        }
        return ResponseResult.okResult();
    }
}
